Locksmith Berkeley.

Downtown Berkeley BART is on Shattuck Avenue, between Allston Way and Addison Street. It's a useful meeting point, but it isn't enough to locate a lock problem. A unit above a business, the common lobby and a car parked nearby each have their own entrance and access arrangements.

For a rented home, find out who can approve a change before the lock is altered. A manager may control the shared door while you hold the key to your unit. Our residential locksmith guide explains how to keep those parts of the request separate.

A move can leave you with a working lock and no clear idea of who else has a key. That doesn't automatically mean buying new handles. Suitable locks can sometimes be rekeyed, so a different key operates them while the existing hardware stays.

Count the doors you want included. Then consider whether compatible locks could use one key, and whether anyone still needs different access. A key for a shared entrance shouldn't be changed just to match your own door. The rekeying page sets out the difference between changing keys and fixing a worn lock.

You may already have the blank and simply want it cut. Keep its packaging or listing, along with the vehicle's year, make and model. A matching outline doesn't establish whether the blade, chip or remote electronics suit the car. Acceptance of a supplied part needs to be checked before a visit.

Say whether you still have a key that starts the engine. Cutting a spare, programming it and replacing all lost keys are different requests. Our guide to customer-supplied blanks covers the useful details without assuming every online key can be used.

Ask which doors or key functions are included, whether parts are needed and how the service visit is priced. If an inspection changes the proposed work, the change should be explained before it goes ahead. A low figure for a blank alone is a different comparison from a complete working key.

For a door that catches, describe what happens rather than choosing a replacement part yourself. Does the key resist turning, or does the latch miss the opening in the frame? Those details help distinguish a key issue from a door-fit problem.